#include <errno.h>
#include <sys/stat.h>

#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <asm/segment.h>

static void cp_stat(struct m_inode * inode, struct stat * statbuf) {
    struct stat tmp;
    int i;

    verify_area(statbuf,sizeof (struct stat));
    tmp.st_dev = inode->i_dev;
    tmp.st_ino = inode->i_num;
    tmp.st_mode = inode->i_mode;
    tmp.st_nlink = inode->i_nlinks;
    tmp.st_uid = inode->i_uid;
    tmp.st_gid = inode->i_gid;
    tmp.st_rdev = inode->i_zone[0];
    tmp.st_size = inode->i_size;
    tmp.st_atime = inode->i_atime;
    tmp.st_mtime = inode->i_mtime;
    tmp.st_ctime = inode->i_ctime;
    for (i=0 ; i<sizeof (tmp) ; i++)
        put_fs_byte(((char *) &tmp)[i],i + (char *) statbuf);
}

int sys_fstat(unsigned int fd, struct stat * statbuf) {
    struct file * f;
    struct m_inode * inode;

    if (fd >= NR_OPEN || !(f=current->filp[fd]) || !(inode=f->f_inode))
        return -EBADF;
    cp_stat(inode,statbuf);
    return 0;
}

int sys_stat(char * filename, struct stat * statbuf) {
    struct m_inode * inode;

    if (!(inode=namei(filename)))
        return -ENOENT;
    cp_stat(inode,statbuf);
    iput(inode);
    return 0;
}

